Littelfuse RK5 Fuse

The Littelfuse RK5 Class fuse is a dual-element, time-delay current-limiting device designed to tolerate motor-start inrush while delivering fast interruption during overloads and short-circuit faults. Rated for 600 V AC / 300 V DC, it accommodates current ratings from 1 A to 600 A (series dependent) with an interrupting capacity up to 200 kA RMS symmetrical AC and up to 20 kA DC. Its fiberglass body with metal end caps mounts in fuse blocks or clip-style industrial holders and it is commonly used in motor control centers, industrial panels, transformers, switchboards, and feeder circuits in commercial and manufacturing facilities, with UL 248-12 and CSA certification.